80721120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 193616160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 53, 57, 60, 76, 80, 95, 96, 106, 114, 120, 152, 159, 160, 167, 190, 212, 228, 240, 265, 285, 304, 318, 334, 380, 424, 456, 480, 501, 530, 570, 608, 636, 668, 760, 795, 835, 848, 912, 1002, 1007, 1060, 1140, 1272, 1336, 1520, 1590, 1670, 1696, 1824, 2004, 2014, 2120, 2280, 2505, 2544, 2672, 3021, 3040, 3173, 3180, 3340, 4008, 4028, 4240, 4560, 5010, 5035, 5088, 5344, 6042, 6346, 6360, 6680, 8016, 8056, 8480, 8851, 9120, 9519, 10020, 10070, 12084, 12692, 12720, 13360, 15105, 15865, 16032, 16112, 17702, 19038, 20040, 20140, 24168, 25384, 25440, 26553, 26720, 30210, 31730, 32224, 35404, 38076, 40080, 40280, 44255, 47595, 48336, 50768, 53106, 60420, 63460, 70808, 76152, 80160, 80560, 88510, 95190, 96672, 101536, 106212, 120840, 126920, 132765, 141616, 152304, 161120, 168169, 177020, 190380, 212424, 241680, 253840, 265530, 283232, 304608, 336338, 354040, 380760, 424848, 483360, 504507, 507680, 531060, 672676, 708080, 761520, 840845, 849696, 1009014, 1062120, 1345352, 1416160, 1523040, 1681690, 2018028, 2124240, 2522535, 2690704, 3363380, 4036056, 4248480, 5045070, 5381408, 6726760, 8072112, 10090140, 13453520, 16144224, 20180280, 26907040, 40360560, 80721120]

約数ペア:

[(1, 80721120), (2, 40360560), (3, 26907040), (4, 20180280), (5, 16144224), (6, 13453520), (8, 10090140), (10, 8072112), (12, 6726760), (15, 5381408), (16, 5045070), (19, 4248480), (20, 4036056), (24, 3363380), (30, 2690704), (32, 2522535), (38, 2124240), (40, 2018028), (48, 1681690), (53, 1523040), (57, 1416160), (60, 1345352), (76, 1062120), (80, 1009014), (95, 849696), (96, 840845), (106, 761520), (114, 708080), (120, 672676), (152, 531060), (159, 507680), (160, 504507), (167, 483360), (190, 424848), (212, 380760), (228, 354040), (240, 336338), (265, 304608), (285, 283232), (304, 265530), (318, 253840), (334, 241680), (380, 212424), (424, 190380), (456, 177020), (480, 168169), (501, 161120), (530, 152304), (570, 141616), (608, 132765), (636, 126920), (668, 120840), (760, 106212), (795, 101536), (835, 96672), (848, 95190), (912, 88510), (1002, 80560), (1007, 80160), (1060, 76152), (1140, 70808), (1272, 63460), (1336, 60420), (1520, 53106), (1590, 50768), (1670, 48336), (1696, 47595), (1824, 44255), (2004, 40280), (2014, 40080), (2120, 38076), (2280, 35404), (2505, 32224), (2544, 31730), (2672, 30210), (3021, 26720), (3040, 26553), (3173, 25440), (3180, 25384), (3340, 24168), (4008, 20140), (4028, 20040), (4240, 19038), (4560, 17702), (5010, 16112), (5035, 16032), (5088, 15865), (5344, 15105), (6042, 13360), (6346, 12720), (6360, 12692), (6680, 12084), (8016, 10070), (8056, 10020), (8480, 9519), (8851, 9120)]